#4E57CB#4E57CB

#4E57CB is a mid, vivid blue. Relative luminance 0.127; OKLCH L 51.6% C 0.177 H 275.0°. Best body text is #FFFFFF at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#4E57CB
RGB	rgb(78, 87, 203)
HSL	hsl(236, 55%, 55%)
HSV	hsv(236, 62%, 80%)
CMYK	cmyk(61.6%, 57.1%, 0%, 20.4%)
CIE-LAB	lab(42.38, 31.87, -61.51)
CIE-LCH	lch(42.38, 69.27, 297.39°)
OKLab	oklab(51.59% 0.0153 -0.1767)
OKLCH	oklch(51.59% 0.177 275)
XYZ	xyz(17.3260, 12.7465, 58.0356)
Luminance	0.1275 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E57CB #CBC24E

analogous

#4E95CB #4E57CB #834ECB

triadic

#4E57CB #CB4E57 #57CB4E

tetradic

#4E57CB #CB4E95 #CBC24E #4ECB83

square

#4E57CB #CB4E95 #CBC24E #4ECB83

split-complementary

#4E57CB #CB834E #95CB4E

monochromatic

#242A7B #323BAA #4E57CB #7D84D9 #ADB1E7

Accessibility & contrast

On white

5.92

#4E57CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#4E57CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E57CB

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E57CB	#FFFFFF	#000000	##FFFFFF
##4E57CB	1.00	5.92	3.55	5.92
#FFFFFF	5.92	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ACF

Deuteranopia (green-blind)

#005FC9

Tritanopia (blue-blind)

#007388

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #4e57cb;
/* rgb */ color: rgb(78, 87, 203);
/* oklch */ color: oklch(51.6% 0.177 275.0);

Tailwind

colors: {
  custom: {
    50: '#8c86dc',
    500: '#4e57cb',
    950: '#000000',
  },
}

SCSS

$custom: #4e57cb;
$custom-light: #8c86dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4e57cb",
  "rgb": {
    "r": 78,
    "g": 87,
    "b": 203
  },
  "hsl": {
    "h": 235.68,
    "s": 54.585,
    "l": 55.098
  },
  "oklch": {
    "l": 0.51588,
    "c": 0.17741,
    "h": 275
  },
  "luminance": 0.12748
}

Semantic roles & 50–950 ramp

primary

#4E57CB

secondary

#D5D1A0

accent

#D34ADE

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4E57CB

Body copy rendered with the generated semantic roles for this colour.

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